It's so funny how they tried to patent indoor cultivation Cannabis has perfected indoor AG for years now. Its just now that other Ag industry's are waking up to it. Indoor cultivators know how to control every aspect of their environment. I'm confident a mushroom farmer could reproduce this.
many many have tried, and only a small few have succeeded, and last I checked, none were giving up any of the details about the growth medium or environment to anyone else.
this article is not working for me now, and I hope this is The Day where The Secrets are revealed. probably not, but one can hope.
If you dig a bit around the company register you can see that they have been working on getting this working since at least the 80s. So it is probably not something someone can reproduce at home easily